Dielectric Insulated Lunch BoxOverview: 1. Insulated lunch box, more convenient to carry. You can choose different layer capacities according to your needs. 2. Using multi channel technology, the compartment interface is integrated with a sealing silicone ring to achieve the best leak proof, heat preserving and fresh keeping effect. 3. The inner tank is made of stainless steel, non toxic and environmentally friendly, and the rice container is safer. 4. The high density PU foam